提交 052de33c 编写于 作者: D Daniel Borkmann 提交者: Michael Ellerman

powerpc/bpf: Remove redundant check for non-null image

We have a check earlier to ensure we don't proceed if image is NULL. As
such, the redundant check can be removed.
Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
[Added similar changes for classic BPF JIT]
Signed-off-by: NNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: NAlexei Starovoitov <ast@kernel.org>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
上级 14a3ae34
......@@ -662,16 +662,17 @@ void bpf_jit_compile(struct bpf_prog *fp)
*/
bpf_jit_dump(flen, proglen, pass, code_base);
if (image) {
bpf_flush_icache(code_base, code_base + (proglen/4));
#ifdef CONFIG_PPC64
/* Function descriptor nastiness: Address + TOC */
((u64 *)image)[0] = (u64)code_base;
((u64 *)image)[1] = local_paca->kernel_toc;
#endif
fp->bpf_func = (void *)image;
fp->jited = 1;
}
out:
kfree(addrs);
return;
......
......@@ -1046,16 +1046,16 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
*/
bpf_jit_dump(flen, proglen, pass, code_base);
if (image) {
bpf_flush_icache(bpf_hdr, image + alloclen);
#ifdef PPC64_ELF_ABI_v1
/* Function descriptor nastiness: Address + TOC */
((u64 *)image)[0] = (u64)code_base;
((u64 *)image)[1] = local_paca->kernel_toc;
#endif
fp->bpf_func = (void *)image;
fp->jited = 1;
}
out:
kfree(addrs);
......
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